/*
 * Copyright (c) 2021, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * *  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * *  Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * *  Neither the name of Texas Instruments Incorporated nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "Timer.h"
#include "ti_msp_dl_config.h"

uint32_t delayFlag;
uint32_t timeOutFlag;

// 125 == 1ms
void delay(uint32_t delayTime)
{
    delayFlag = 0;
    DL_TimerG_setCounterMode(TIMER_0_INST, GPTIMER_CTRCTL_CM_UP);
    DL_TimerG_setLoadValue(TIMER_0_INST, delayTime);
    DL_TimerG_startCounter(TIMER_0_INST);
    NVIC_EnableIRQ(TIMER_0_INST_INT_IRQN);
    // Wait until timer flow
    while (delayFlag == 0) {
        __WFI();
    }
}

// 125 == 1ms
void watchDog(uint32_t timeOut)
{
    timeOutFlag = 0;
    DL_TimerG_setCounterMode(TIMER_1_INST, GPTIMER_CTRCTL_CM_UP);
    DL_TimerG_setLoadValue(TIMER_1_INST, timeOut);
    DL_TimerG_startCounter(TIMER_1_INST);
    NVIC_EnableIRQ(TIMER_1_INST_INT_IRQN);
}

void TIMER_0_INST_IRQHandler(void)
{
    switch (DL_TimerG_getPendingInterrupt(TIMER_0_INST)) {
        case DL_TIMER_IIDX_LOAD:
            DL_TimerG_stopCounter(TIMER_0_INST);
            delayFlag = 1;
            break;
        default:
            break;
    }
}

void TIMER_1_INST_IRQHandler(void)
{
    switch (DL_TimerG_getPendingInterrupt(TIMER_1_INST)) {
        case DL_TIMER_IIDX_LOAD:
            DL_TimerG_stopCounter(TIMER_1_INST);
            timeOutFlag = 1;
            break;
        default:
            break;
    }
}
